Famous How Wide Is One Lane Of A Road Ideas. The suitable side clearance for single lane road is 0.68 m (on both sides). Standard road lane widths typically range from 9 to 12 feet (2.7 to 3.7 meters).

The usual width of a single lane is 3.65m or 12 feet, but there are exceptions where narrower lanes are allowed, or where lanes are widened. The least road breadth must be 3.75 m. What is the standard width of a road lane?